1312545230 has 16 divisors (see below), whose sum is σ = 2365740864. Its totient is φ = 524316000.

The previous prime is 1312545193. The next prime is 1312545233. The reversal of 1312545230 is 325452131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312545230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312545233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79877 + ... + 94896.

It is an arithmetic number, because the mean of its divisors is an integer number (147858804).

Almost surely, 2^1312545230 is an apocalyptic number.

1312545230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312545230 is a deficient number, since it is larger than the sum of its proper divisors (1053195634).

1312545230 is a wasteful number, since it uses less digits than its factorization.

1312545230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175531.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1312545230 is about 36229.0660934008. The cubic root of 1312545230 is about 1094.8923616942.

Adding to 1312545230 its reverse (325452131), we get a palindrome (1637997361).

The spelling of 1312545230 in words is "one billion, three hundred twelve million, five hundred forty-five thousand, two hundred thirty".